Analysis

  • max time kernel
    119s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    01/02/2024, 06:58

General

  • Target

    863c7056d452d337e5be491f02d65b2f.exe

  • Size

    3.2MB

  • MD5

    863c7056d452d337e5be491f02d65b2f

  • SHA1

    2ca72e95276a93f0a4f4b3c3ecec85b00ac7cf88

  • SHA256

    95d5563c56b99f6220f454a4d891b907adae645b98e9950304b7e06910ae4d55

  • SHA512

    8b8b4efa7ba74cf585ead9cc2841a35f6cfb58199517c41eb7e6354756c8a388e9d4823c889c5f941236e61c66a84ddf25d7c16502182b802c53ed94ad742ad7

  • SSDEEP

    98304:a5VArrYT5s2cakchS87ccakc5J1at2QucakchS87ccakcO:a5Wu5dlhS87cdl5JskTdlhS87cdlO

Score
7/10
upx

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • UPX packed file 3 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 1 IoCs
  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Modifies system certificate store 2 TTPs 4 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of UnmapMainImage 2 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\863c7056d452d337e5be491f02d65b2f.exe
    "C:\Users\Admin\AppData\Local\Temp\863c7056d452d337e5be491f02d65b2f.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious behavior: RenamesItself
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:2512
    • C:\Users\Admin\AppData\Local\Temp\863c7056d452d337e5be491f02d65b2f.exe
      C:\Users\Admin\AppData\Local\Temp\863c7056d452d337e5be491f02d65b2f.exe
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious use of UnmapMainImage
      • Suspicious use of WriteProcessMemory
      PID:2560
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks.exe /CREATE /RL HIGHEST /SC ONLOGON /TR "C:\Users\Admin\AppData\Local\Temp\863c7056d452d337e5be491f02d65b2f.exe" /TN QxutJGth3fd4 /F
        3⤵
        • Creates scheduled task(s)
        PID:2732
      • C:\Windows\SysWOW64\cmd.exe
        cmd.exe /c schtasks.exe /Query /XML /TN QxutJGth3fd4 > C:\Users\Admin\AppData\Local\Temp\iTs8OBfE.xml
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:2740
        • C:\Windows\SysWOW64\schtasks.exe
          schtasks.exe /Query /XML /TN QxutJGth3fd4
          4⤵
            PID:2816

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • C:\Users\Admin\AppData\Local\Temp\863c7056d452d337e5be491f02d65b2f.exe

            Filesize

            609KB

            MD5

            5dba145f99b398cfcc8e3cf980fc3726

            SHA1

            9a67020978e26197f4d7ad7f9ba12ab70903d095

            SHA256

            4ce2eab363487578935734dc69e53b1b0d6722e67208b6ac362b69edd5b1c8e8

            SHA512

            64d64edb5bda7d0a2adef123a9e263cdbdba1ca78df7b0e9e4fa301ffef395fc9fbd5908eb30b35b58b767a9e6d058e07c6a52a854608113a333bb0f6bb04e76

          • C:\Users\Admin\AppData\Local\Temp\iTs8OBfE.xml

            Filesize

            1KB

            MD5

            4d6d961de39401c3f836140b52e27ecc

            SHA1

            b44696129bd7b12f64df0ced0e267fb5bc9a6f42

            SHA256

            d6e2e73f97c6f586f0e4981c0464dbd6181813283fb978b34faec93fd03023a7

            SHA512

            a8788370c4932538d8566a44eb24d71c704f21d9798f94b9487ea2125c03be37adb02aec458bc2b0fc2ad9785673b4f377d88e8b5490e17b74fef428b4adc033

          • \Users\Admin\AppData\Local\Temp\863c7056d452d337e5be491f02d65b2f.exe

            Filesize

            424KB

            MD5

            12f55c644182a8072e3a8eb457eeab4a

            SHA1

            77f6963d9a516916a68093f5db129a07014df88d

            SHA256

            271895dc1f22dae549636773df460651449dbfeb395d03991648b78b36edc1df

            SHA512

            2d06b444b023244404326a599a37a1dc9b233f156bbfa04cb1fa3be231e7f3314d6ca457c6b8c74d0a1e9af8591ccfd089454eb7a235e236ce1ba1b6272d6b69

          • memory/2512-16-0x0000000000400000-0x000000000046B000-memory.dmp

            Filesize

            428KB

          • memory/2512-19-0x0000000023430000-0x000000002368C000-memory.dmp

            Filesize

            2.4MB

          • memory/2512-1-0x0000000000400000-0x000000000046B000-memory.dmp

            Filesize

            428KB

          • memory/2512-0-0x0000000000400000-0x000000000065C000-memory.dmp

            Filesize

            2.4MB

          • memory/2512-3-0x0000000000380000-0x00000000003FE000-memory.dmp

            Filesize

            504KB

          • memory/2512-53-0x0000000023430000-0x000000002368C000-memory.dmp

            Filesize

            2.4MB

          • memory/2560-18-0x0000000001660000-0x00000000016DE000-memory.dmp

            Filesize

            504KB

          • memory/2560-26-0x0000000000400000-0x000000000065C000-memory.dmp

            Filesize

            2.4MB

          • memory/2560-27-0x0000000000470000-0x00000000004DB000-memory.dmp

            Filesize

            428KB

          • memory/2560-25-0x0000000000400000-0x000000000045B000-memory.dmp

            Filesize

            364KB

          • memory/2560-54-0x0000000000400000-0x000000000065C000-memory.dmp

            Filesize

            2.4MB